CLIENT
Central Queensland Ports Authority
YEAR
2004
SCOPE
  • On-shore and Off-shore Site Investigations
  • Geotechnical Drilling
  • Laboratory Testing
  • Analysis Reporting and PracticalAdvice

Projects

RG Tanna Coal Terminal Project

Multiple lines of communications and limited availability of specialised drilling equipment, together with an environment of difficult ground conditions, combined to create an expanding and challenging project management role for DP on one of Australia's key industrial infrastructure projects. In 2004, DP was appointed by the Central Queensland Ports Authority to undertake on-shore and off-shore site investigations for the $230 million RG Tanna Coal Terminal Expansion Project.

The off-shore field work had to be undertaken in mid-summer during the annual period of highest tides and strongest winds, requiring specialised drilling equipment. The presence of deep and extensively weathered weak rock with chert gravel inclusions, resulted in pile bearing depths being up to 30m below sea or ground level. The more technically demanding features of the project have included: advice on ground anchors, diaphragm wall slurry trench analysis, & assessment of the effects of coal train surcharge on retaining walls for a 13m deep coal dump station; slope stability analysis and risk assessment for surcharge loads on existing sea walls; construction advice to enable 'H‘ piles to be installed through coarse rock adjacent to the sea; and advice for dredging works, dredged spoil management & containment, including dredgability assessment, equipment selection, contaminant testing procedures & interpretation of results, and bund and drainage layout.
 
DP Managing Principal and Senior Geotechnical Engineer, Ken Boddie, comments: DP 'hands on‘ practical solutions approach has equipped us well to successfully integrate the technical and project management challenges which this important project requires. I believe we have demonstrated our capability and capacity to make significant contributions to projects of this scale and complexity”.

 

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